L18C4P71 L18L4P71 L18M4P72 02DL006 02DL005 02DL004 SB10K97644 SB10K97642 SB10K97643 5B10W13930 5B10W13931 5B10W13932 SB10T83173 SB10T83174. Capacity: 51Wh. For Lenovo ThinkPad X1 Yoga 4th Gen (X1 Yoga 2019 Gen) Series.
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